Home / 213,844.52-320,786.22-56,072.36

Finding the Fourth Proportional to 213,844.52, 320,786.22 and 56,072.36

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Solution

The fourth proportional to 213,844.52, 320,786.22 and 56,072.36 is: 84,113.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,844.52 : 320,786.22 = 56,072.36 : x
  2. Step 2: Convert to fraction form
    213,844.52/320,786.22 = 56,072.36/x
  3. Step 3: Cross multiply
    213,844.52x = 320,786.22 × 56,072.36
  4. Step 4: Simplify right side
    213,844.52x = 17,987,240,410.88
  5. Step 5: Solve for x
    x = 17,987,240,410.88/213,844.52
  6. Step 6: Final answer
    x = 84,113.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.